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Title:
ARMORED SUBMARINE CABLE, METHOD OF REPAIRING ARMORED SUBMARINE CABLE, AND METHOD OF MANUFACTURING ARMOR MEMBER FOR REPAIR AND PROTECTION OF THE ARMORED SUBMARINE CABLE
Document Type and Number:
Japanese Patent JP2002281629
Kind Code:
A
Abstract:

To provide an armored submarine cable, where the damaged section of the armor body can be repaired at a lower cost, as compared with before.

The armored submarine cable 1 has a constitution such that many pieces of armor line materials 5 as zinc-plated wires, where corrosionproof plating is applied are wound densely at specified winding pitches in spiral form around a cable body 4 so as to make an armor 2, and that it is covered with a corrosion-proof layer 6 as coal tar. This armored submarine cable 1 is laid at the bottom of the sea, and in case where a damaged part occurs in the armor 2, being moved by waves or an ocean current, an armor member 8 is wound at smaller winding pitches than the winding pitches of the armor 2 around the section including the damaged part 7 of the armor 2 of this armored submarine cable 1, whereby a protective armor 9 is made around the section of the armor 2 in the section including the damaged part 7 so as to repair it.


Inventors:
NAGAYAMA KIYOSHI
NUHA YUKIO
TSUNAMI YASUMITSU
KIJIMA TAKASHI
KAIZU YUTAKA
Application Number:
JP2001079681A
Publication Date:
September 27, 2002
Filing Date:
March 21, 2001
Export Citation:
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Assignee:
OKINAWA ELECTRIC POWER CO LTD
KONAN KENSETSU KK
FURUKAWA ELECTRIC CO LTD
International Classes:
H01B7/14; H02G1/06; H02G1/10; H02G9/02; (IPC1-7): H02G1/06; H01B7/14; H02G1/10; H02G9/02
Attorney, Agent or Firm:
Hidetoshi Matsumoto